#ifndef HOST_PSEUDOLOCALIZE_H
#define HOST_PSEUDOLOCALIZE_H

#include <android-base/macros.h>
#include "StringPool.h"

class PseudoMethodImpl {
public:
    virtual ~PseudoMethodImpl() {}

    virtual String16 start() { return String16(); }

    virtual String16 end() { return String16(); }

    virtual String16 text(const String16 &text) = 0;

    virtual String16 placeholder(const String16 &text) = 0;
};

class PseudoMethodNone : public PseudoMethodImpl {
public:
    PseudoMethodNone() {}

    String16 text(const String16 &text) { return text; }

    String16 placeholder(const String16 &text) { return text; }

private:
    DISALLOW_COPY_AND_ASSIGN(PseudoMethodNone);
};

class PseudoMethodBidi : public PseudoMethodImpl {
public:
    String16 text(const String16 &text);

    String16 placeholder(const String16 &text);
};

class PseudoMethodAccent : public PseudoMethodImpl {
public:
    PseudoMethodAccent() : mDepth(0), mWordCount(0), mLength(0) {}

    String16 start();

    String16 end();

    String16 text(const String16 &text);

    String16 placeholder(const String16 &text);

private:
    size_t mDepth;
    size_t mWordCount;
    size_t mLength;
};

class Pseudolocalizer {
public:
    explicit Pseudolocalizer(PseudolocalizationMethod m);

    ~Pseudolocalizer() { if (mImpl) delete mImpl; }

    void setMethod(PseudolocalizationMethod m);

    String16 start() { return mImpl->start(); }

    String16 end() { return mImpl->end(); }

    String16 text(const String16 &text);

private:
    PseudoMethodImpl *mImpl;
    size_t mLastDepth;
};

#endif // HOST_PSEUDOLOCALIZE_H

